I Trapped the Devil

A man named Steve (Scott Poythress) lives in a basement and believes he's trapped the devil; his family visits for Christmas, including his estranged brother Matt (AJ Bowen) and sister-in-law Karen (Susan Burke), who becomes increasingly entangled in Steve's delusions. As tensions rise, Steve's grip on reality falters, leading to a tragic confrontation that ultimately reveals a shocking truth about the true occupant of the basement.